android post請求

標籤：

參考文章：http://blog.csdn.net/lotusyangjun/article/details/22292445

              http://blog.csdn.net/withiter/article/details/19908679

代碼如下：

package tdrhedu.com.edugame;import android.content.Intent;import android.graphics.Paint;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.TextView;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLEncoder;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;/** * Created by zhaoliang on 2016/6/15. */public class Login2Activity extends AppCompatActivity {    private static final String TAG = "Login2Activity";    Button mLogin = null;    TextView mForgetPassword = null;    TextView mJustSee = null;    EditText mAccountName, mAccountPasswd;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_login2);        View v = findViewById(R.id.mLoginGuide);//找到你要設透明背景的layout 的id        v.getBackground().setAlpha(70);//0~255透明度值        //TextView tv = (TextView)findViewById(R.id.find_password);        //tv.setPaintFlags(tv.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);        mLogin = (Button) findViewById(R.id.account_login);        mLogin.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Log.d(TAG, "click");                String postReceiverUrl = "http://112.126.64.235:9090/company/get";                Log.v(TAG, "postURL: " + postReceiverUrl);                new Thread(new Runnable(){                    @Override                    public void run() {                        mAccountName = (EditText)findViewById(R.id.account_name);                        mAccountPasswd = (EditText)findViewById(R.id.account_password);                        String username = mAccountName.getText().toString();                        String password = mAccountPasswd.getText().toString();                        Map<String, String> params = new HashMap<String, String>();                        params.put("username", username);                        params.put("password", password);                        String result = submitPostData(params, "utf-8");                        Log.v(TAG, "result: " + result);                    }                }).start();                //Intent i = new Intent(Login2Activity.this, PannelActivity.class);                //startActivity(i);            }        });        /*mForgetPassword = (TextView) findViewById(R.id.find_password);        mForgetPassword.setOnClickListener(new View.OnClickListener(){            @Override            public void onClick(View v) {                Intent i = new Intent(Login2Activity.this, ForgotActivity.class);                startActivity(i);            }        });        mJustSee = (TextView) findViewById(R.id.just_see);        mJustSee.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {            }        });*/    }    /*     * Function  :   發送Post請求到伺服器     * Param     :   params請求體內容，encode編碼格式     * Author    :   [email protected]     */    public static String submitPostData(Map<String, String> params, String encode) {        byte[] data = getRequestData(params, encode).toString().getBytes();//獲得請求體        try {            URL url = new URL("http://112.126.64.235:9090/company/get");            HttpURLConnection httpURLConnection = (HttpURLConnection)url.openConnection();            httpURLConnection.setConnectTimeout(3000);  //設定連線逾時時間            httpURLConnection.setDoInput(true);                  //開啟輸入資料流，以便從伺服器擷取資料            httpURLConnection.setDoOutput(true);                 //開啟輸出資料流，以便向伺服器提交資料            httpURLConnection.setRequestMethod("POST");   //設定以Post方式提交資料            httpURLConnection.setUseCaches(false);        //使用Post方式不能使用緩衝            //佈建要求體的類型是文本類型            httpURLConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");            //佈建要求體的長度            httpURLConnection.setRequestProperty("Content-Length", String.valueOf(data.length));            //獲得輸出資料流，向伺服器寫入資料            OutputStream outputStream = httpURLConnection.getOutputStream();            outputStream.write(data);            int response = httpURLConnection.getResponseCode();            //獲得伺服器的響應碼            if(response == HttpURLConnection.HTTP_OK) {                InputStream inptStream = httpURLConnection.getInputStream();                return dealResponseResult(inptStream);                     //處理伺服器的響應結果            }        } catch (IOException e) {            e.printStackTrace();        }        return "";    }    /*     * Function  :   封裝請求體資訊     * Param     :   params請求體內容，encode編碼格式     * Author    :   [email protected]     */    public static StringBuffer getRequestData(Map<String, String> params, String encode) {        StringBuffer stringBuffer = new StringBuffer();        //儲存封裝好的請求體資訊        try {            for(Map.Entry<String, String> entry : params.entrySet()) {                stringBuffer.append(entry.getKey())                        .append("=")                        .append(URLEncoder.encode(entry.getValue(), encode))                        .append("&");            }            stringBuffer.deleteCharAt(stringBuffer.length() - 1);    //刪除最後的一個"&"        } catch (Exception e) {            e.printStackTrace();        }        return stringBuffer;    }    /*     * Function  :   處理伺服器的響應結果（將輸入資料流轉化成字串）     * Param     :   inputStream伺服器的響應輸入資料流     * Author    :   [email protected]     */    public static String dealResponseResult(InputStream inputStream) {        String resultData = null;      //儲存處理結果        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();        byte[] data = new byte[1024];        int len = 0;        try {            while((len = inputStream.read(data)) != -1) {                byteArrayOutputStream.write(data, 0, len);            }        } catch (IOException e) {            e.printStackTrace();        }        resultData = new String(byteArrayOutputStream.toByteArray());        return resultData;    }}

完畢。

android post請求